40890860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 89655552

約数和(自身を除く): 48764692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 653, 1010, 1306, 2020, 2612, 3131, 3265, 6262, 6530, 12524, 13060, 15655, 20243, 31310, 40486, 62620, 65953, 80972, 101215, 131906, 202430, 263812, 329765, 404860, 659530, 1319060, 2044543, 4089086, 8178172, 10222715, 20445430, 40890860]

約数ペア:

[(1, 40890860), (2, 20445430), (4, 10222715), (5, 8178172), (10, 4089086), (20, 2044543), (31, 1319060), (62, 659530), (101, 404860), (124, 329765), (155, 263812), (202, 202430), (310, 131906), (404, 101215), (505, 80972), (620, 65953), (653, 62620), (1010, 40486), (1306, 31310), (2020, 20243), (2612, 15655), (3131, 13060), (3265, 12524), (6262, 6530)]